675138897 has 24 divisors (see below), whose sum is σ = 985728744. Its totient is φ = 445261824.

The previous prime is 675138887. The next prime is 675138899. The reversal of 675138897 is 798831576.

675138897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 115863696 + 559275201 = 10764^2 + 23649^2 .

It is not a de Polignac number, because 675138897 - 2⁴ = 675138881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675138899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341203 + ... + 343175.

It is an arithmetic number, because the mean of its divisors is an integer number (41072031).

Almost surely, 2^675138897 is an apocalyptic number.

It is an amenable number.

675138897 is a deficient number, since it is larger than the sum of its proper divisors (310589847).

675138897 is a wasteful number, since it uses less digits than its factorization.

675138897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2366 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 675138897 is about 25983.4350500468. The cubic root of 675138897 is about 877.2654858250.

The spelling of 675138897 in words is "six hundred seventy-five million, one hundred thirty-eight thousand, eight hundred ninety-seven".